Home / 12,822.31-19,222.43-5,029.27

Finding the Fourth Proportional to 12,822.31, 19,222.43 and 5,029.27

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Solution

The fourth proportional to 12,822.31, 19,222.43 and 5,029.27 is: 7,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.31 : 19,222.43 = 5,029.27 : x
  2. Step 2: Convert to fraction form
    12,822.31/19,222.43 = 5,029.27/x
  3. Step 3: Cross multiply
    12,822.31x = 19,222.43 × 5,029.27
  4. Step 4: Simplify right side
    12,822.31x = 96,674,765.38
  5. Step 5: Solve for x
    x = 96,674,765.38/12,822.31
  6. Step 6: Final answer
    x = 7,539.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.